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Dr Dre and Eminem

8. Dr Dre and Eminem

With Dre credited as the person who blew up Eminem's career to a global and multi-platinum level, Em's never been shy to express his gratefulness. "I owe my life to you" he raps on their hit collaboration 'I Need A Doctor.' But their relationship isn't just love and hugs – it's business. And that's exactly what Dre made of Eminem, a very, very successful business.